(19)
(11) EP 2 753 648 A1

(12)

(43) Date of publication:
16.07.2014 Bulletin 2014/29

(21) Application number: 12772545.5

(22) Date of filing: 05.09.2012
(51) International Patent Classification (IPC): 
C08F 10/00(2006.01)
(86) International application number:
PCT/TH2012/000042
(87) International publication number:
WO 2013/036211 (14.03.2013 Gazette 2013/11)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 05.09.2011 TH 1101001885

(71) Applicant: PTT Global Chemical Public Company Limited
Bangkok 10900 (TH)

(72) Inventors:
  • SAMINGPRAI, Sutheerawat
    Bangkok 10900 (TH)
  • YENJITRATTANAWALEE, Onteera
    Bangkok 10900 (TH)
  • CHANDAVASU, Chaya
    Bangkok 10900 (TH)

(74) Representative: Patentanwaltskanzlei Matschnig & Forsthuber OG 
Siebensterngasse 54
1070 Wien
1070 Wien (AT)

   


(54) HIGH ACTIVITY OLEFIN POLYMERIZATION CATALYST COMPRISING BORON-CONTAINING SILICA SUPPORT AND THE PREPARATION THEREOF